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120702132 = 22323352837
BaseRepresentation
bin1110011000111…
…00010010110100
322102010022012100
413030130102310
5221344432012
615551022100
72663644155
oct714342264
9272108170
10120702132
1162151331
123450a930
131c0116a5
141205d92c
15a8e38dc
hex731c4b4

120702132 has 18 divisors (see below), whose sum is σ = 305108258. Its totient is φ = 40234032.

The previous prime is 120702107. The next prime is 120702139. The reversal of 120702132 is 231207021.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 18974736 = 10086^2 + 4356^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120702139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1676383 + ... + 1676454.

Almost surely, 2120702132 is an apocalyptic number.

120702132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120702132 is an abundant number, since it is smaller than the sum of its proper divisors (184406126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120702132 is a wasteful number, since it uses less digits than its factorization.

120702132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352847 (or 3352842 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 120702132 is about 10986.4522025993. The cubic root of 120702132 is about 494.2025482463.

Adding to 120702132 its reverse (231207021), we get a palindrome (351909153).

The spelling of 120702132 in words is "one hundred twenty million, seven hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 3352837 6705674 10058511 13411348 20117022 30175533 40234044 60351066 120702132